Still some silly warnings while building bitlbee

[Matěj Cepl <mcepl@…>]

See the attached log:

* Compiling irc_im.c
ipc.c: In function 'ipc_readline':
ipc.c:595:5: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
ipc.c: In function 'ipc_send_fd':
ipc.c:780:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
* Compiling irc_channel.c
* Compiling irc_commands.c
--
* Compiling bee.c
otr.c: In function 'copyfile':
otr.c:1844:8: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
* Compiling ftutil.c
* Compiling bee_chat.c
--
* Compiling md5.c
md5.c: In function 'md5_finish':
md5.c:153:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
md5.c:154:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
* Compiling nogaim.c
/usr/bin/ld: skipping incompatible /lib/libpthread.so when searching for -lpthread
--
* Compiling conference.c
msn_util.c: In function 'msn_handler':
msn_util.c:281:8: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
msn_util.c:282:8: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
* Compiling oauth.c
* Compiling ns.c
--
* Compiling jabber.c
soap.c: In function 'msn_soap_debug_print':
soap.c:224:9: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
soap.c:226:9: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
* Compiling jabber_util.c
* Compiling tables.c

[Matěj Cepl <mcepl@…>]

build log with the warnings

[dx]

Adding a comment to fix the fact that this ticket says "Last modified 45 years ago". Hi mcepl.

[dx]

Duplicate of #726 mostly because of the IPC one. The md5 one is fixed, "ignoring return value of write" is something i'll ignore.